El Salvador vs Japan: Population density of the capital city

El Salvador
5,120 people per km²
in 2100
Japan
5,166 people per km²
in 2100
El Salvador rank
107th
Japan rank
106th

Population density of the capital city over time

  • El Salvador
  • Japan
02.0k4.0k6.0k202020602100

How they compare

Japan currently reports 5,166 people per km² against 5,120 people per km² in El Salvador, a difference of 46 people per km².

The two have swapped places 2 times across 17 shared years of data; in 2020 it was Japan ahead.

El Salvador ranks 107th and Japan ranks 106th of 191 countries.

Across the 9 decades both report, El Salvador averaged higher in 5 and Japan in 4.

Head to head by decade

Decade El Salvador Japan Difference Ahead
2020s 6,069 people per km² 6,521 people per km² 451.9 people per km² Japan
2030s 6,113 people per km² 6,375 people per km² 262.3 people per km² Japan
2040s 6,144 people per km² 6,210 people per km² 66.33 people per km² Japan
2050s 6,121 people per km² 6,030 people per km² 91.1 people per km² El Salvador
2060s 6,016 people per km² 5,828 people per km² 188.49 people per km² El Salvador
2070s 5,853 people per km² 5,604 people per km² 249.28 people per km² El Salvador
2080s 5,624 people per km² 5,403 people per km² 221.11 people per km² El Salvador
2090s 5,353 people per km² 5,256 people per km² 97.17 people per km² El Salvador
2100s 5,120 people per km² 5,166 people per km² 46.4 people per km² Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population density of the capital city, El Salvador or Japan?
Japan, at 5,166 people per km² against 5,120 people per km² in El Salvador as of 2100.
What is the difference in population density of the capital city between El Salvador and Japan?
46 people per km², with Japan ahead.
How many years of comparable data are there for El Salvador and Japan?
17 years are reported by both, from 2020 to 2100.
How do El Salvador and Japan rank globally for population density of the capital city?
El Salvador ranks 107th and Japan ranks 106th of 191 countries.
Where does this data come from?
European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data, published as Population density of the capital city. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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El Salvador vs Japan: Population density of the capital city. Statizoid, drawing on European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data. Retrieved 10 September 2026, from https://population.statizoid.com/compare/population-density-of-the-capital-city/el-salvador/japan/

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About this data

Indicator
Population density of the capital city
Unit
people per km²
Source
European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
191 places, 3,183 data points, 2020–2100
Last refreshed

Projected number of people per km² of land area in the country's capital city. City boundaries are defined using a consistent global approach based on satellite imagery and population data.